Hercules DJ Control (Air S Series) Dual-deck USB DJ Controller with touch and AIR control technologies, for PC and Mac; This controller offers an unrivalled features-to-price ratio and a modern, trendy design 2 pressure-detecting jog wheels to experiment with scratching (10 cm / 3.94" diameter); 8 progressive pads for controlling loops and effects Contactless AIR (Adjustment by Infrared) controls enabling users to master their mix without even touching their decks!; Dual built-in audio outputs (1/8") for mixing and previewing in headphones (1/4") Includes DJing software, DJUCED 18 Degree - a high-performance and intuitive application for mixing, synchronizing, beat matching and creating tracks; Specially designed for beginner and amateur DJs Mixing has never been as simple and fun; all you need is a computer, headphones and speakers!; Controller dimensions and weight: 13.78"(L) x 8.66"(W) x 1.1"(H) - 3.1 lbs.